tert-butyl (9-((3aR,4R,6R,6aR)-6-(aminomethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-9H-purin-6-yl)carbamate 、
(E)-2-(trimethylsilyl)ethyl 3-(chlorosulfonyl)allylcarbamate 在
2,6-二甲基吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以56%的产率得到(E)-3-(2-(trimethylsilyl)ethoxy)carbonylamino-N-(((3aR,4R,6R,6aR)-6-(6-tert-butoxycarbonylamino-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)prop-1-ene-1-sulfonamide